沒有出現502
fpm 採用的是靜態
pm.max_children = 200
status
pool: www process manager: static start time: 23/Oct/2014:11:45:49 +0800 start since: 94704 accepted conn: 695677 listen queue: 0 max listen queue: 0 listen queue len: 0 idle processes: 199 active processes: 1 total processes: 200 max active processes: 147 max children reached: 0